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PEEK Unfilled Virgin Natural

Compliance Info

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General Info

PEEK (PolyEtherEther-Ketone) is a high-performance engineering thermoplastic that combines exceptional mechanical strength, thermal stability, and chemical resistance. PEEK grades provide chemical and water resistance similar to PPS (PolyPhenylene Sulfide), but they can operate at higher temperatures. PEEK has a continuous operating temperature of 480°F (250°C) and withstands exposure to hot water and steam without permanent loss of physical properties.

In hostile environments, PEEK serves as a high-strength alternative to fluoropolymers.

PEEK carries a V-0 flammability rating and produces very low smoke and toxic gas emissions when exposed to flame. Since 1998, unfilled PEEK has been approved by the FDA for food contact applications, meeting 21 CFR 177.2415 for repeated use.

The unfilled general-purpose grade is unreinforced and offers the highest elongation and toughness among PEEK grades. Unfilled PEEK is available in sheet and rod in natural (light brown or tan) and black.

Click for more information on the complete line of PEEK Plastic Products

FAQs Frequently Asked Questions About Virgin Unfilled Natural PEEK

1. What is Virgin Unfilled Natural PEEK plastic?

PEEK (Polyetheretherketone) Virgin Natural is an unfilled, general-purpose grade of PEEK. It is a semi-crystalline thermoplastic with excellent strength, outstanding chemical resistance, 480 V/mil dielectric strength, UL-94 V-0 flammability rating, toughness, and elongation.

PEEK maintains mechanical integrity at continuous operating temperatures up to 480°F (250°C), has very low moisture absorption, and extremely low outgassing, making it ideal for critical high-temp, high-strength applications.

Typical properties for extruded PEEK, unfilled, virgin natural

Mechanical: Tensile strength 16,000 psi; flexural strength 25,000 psi; elongation 20%.
Thermal: Melting point 644°F (340°C); heat deflection temperature 320°F (160°C); Max Continuous Use Temp 480°F (249°C); Minimum Use Temp -76°F (-60°C).
Chemical Resistance: Excellent against most chemicals, but limited vs. halogens and halogen acids.
Compliance: FDA-compliant for food contact (21 CFR 177.2415).
Flammability: UL-94 V-0 rating; low smoke and toxic gas emissions.
Outgassing: Extremely low (TML ~0.31%, CVCM ~0.00%).

2. What Virgin Unfilled Natural PEEK plastic products and services does Boedeker Plastics offer?

Boedeker Plastics boasts one of the largest inventories of PEEK sheets, rods, and tubes worldwide, with cut-to-size and same-day shipping.

Boedeker offers hard-to-find sizes of large-diameter rods, tubes, and thick sheets or slabs for machining large parts.

Boedeker Plastics stocks shapes made from Victrex, KetaSpire, and VESTAKEEP resins, including popular brands like Ketron, SustaPEEK, and TECAPEEK, GEHR PEEK, and ZL PEEK. All of our materials are available with full traceability documentation when requested.

Boedeker Plastics also offers CNC-machined and injection-molded PEEK parts from our ISO-certified manufacturing facility for a wide range of industries.

Boedeker also offers Victrex AM 3D printing filaments.

3. What are typical applications of Virgin Unfilled Natural PEEK plastic?

PEEK Virgin Natural is found in sealing, bearing, wear, and structural applications in higher temperature and higher strength applications. Below are some common industries and applications:

Aerospace and Automotive: Bearings, seals, connectors, manifolds.
Medical and Life Sciences: Sterilizable surgical tools, FDA food contact components, implants for USP Class VI grades of PEEK.
Semiconductor and Electronics: Low-outgassing parts, insulators, wafer handling tools.
Pump, Valve, Compressor: Pump and valve components, back-up rings, compressor parts.
Oil and Gas: Down hole components, connectors, back up-rings, and seals.

4. How does PEEK compare to other plastics?

PEEK vs. PTFE (Teflon®): PEEK offers much higher strength at room temp and at higher temperatures, and much better dimensional stability. PTFE has lower friction (the lowest of all unfilled polymers), as well as better chemical resistance.
PEEK vs. Ultem® (PEI): PEEK handles higher heat and chemicals. Ultem offers better electrical properties, is used in structural applications, and is lower cost.
PEEK vs. Nylon and Acetal: PEEK far outperforms in creep resistance, strength, and heat tolerance. Nylon and Acetal are better choices in bearing and wear or structural applications at lower temperatures.
PEEK vs. Torlon® and Celazole® PBI: PEEK is easier to machine and process. Torlon and PBI perform better at extreme temperatures, with PBI being the highest performing in terms of extreme temperatures.

5. Can PEEK be machined, molded, or 3D-printed?

Machining: Excellent for CNC machining; requires carbide or diamond tooling for best finishes.
Injection Molding: Moldable at high processing temps (~400°C).
3D Printing: Available in filament form for high-temperature additive manufacturing.

Need Help with Virgin Unfilled Natural PEEK?

Our expert customer and technical service teams can assist with Virgin Unfilled Natural PEEK plastic sheet, rod, and tube, plus CNC-machined parts, injection molded parts, and 3D PEEK printing filaments. We can also guide you in selecting the proper material for your application and offer design considerations for optimal part performance.

Key Properties

Excellent Chemical Resistance
High Temperature Resistance
Unaffected by continuous exposure to hot water or steam
Very Low Moisture Resistance
Low Outgassing Material
Total Mass Loss (TML%) .31%
Collected Volatile Condensable Materials (CVCM%) 0.00%
Water Vapor Regained (WVR%) 0.06%

Limitations

Poor Chemical Resistance to Halogens and Their Acids Including Bromine, Chlorine, Fluorine, HBr and HF

Applications

Back Up Rings
Electrical Components
Electrical Connectors
Manifolds
Pump & Valve Components
Semiconductor Components
Valve Seats

Resin Trade Names

KetaSpire® PEEK
VESTAKEEP® PEEK
VICTREX™ PEEK

Manufacturer Trade Names

GEHR PEEK Grades
Ketron® PEEK Grades
Semitron® PEEK Grades
SustaPEEK® Grades
TECAPEEK® Grades
UNITREX® PEEK Grades
ZL® 1900 PEEK Grades

Boedeker Plastics, Inc. stocks & supplies plastic sheet, rod, tube, film and custom profiles and machine parts from these shapes that are produced from plastic resin. In many cases the manufacturer of the shape has their own product trade name. If your specification calls for a specific resin grade or manufacturer trade name, we can supply a shape made from that resin to meet your specification or suggest an equal. If you require a specific resin or brand it must be specified at the time of order.

Available Sizes

Available in Sheet, Rod, Tube, Film, Custom Profile and Machined and Molded Parts. Extruded Sheet Sizes .030 inch to 4.000 inch Thick Compression Molded Sheet Sizes Thickness .250 inch x 2.000 inch Size W X L 12.000 inch x 15.000 inch Thickness .250 inch to 3.000 inch Size W X L 10.000 inch x 10.000 inch and 13.000 inch x 13.000 Thickness .250 inch x 2.500 inch Size W X L 15.000 inch x 30.000 inch and 24.000 inch x 24.000 inch Extruded Rod Sizes .250 inch to 6.304 inch Diameter Compression Molded Rod Sizes Diameter 1.000 inch to 3.250 inch Lengths 3.000 inch to 6.000 inch L Compression Molded PEEK Tube Sizes Unfilled PEEK Outside Diameter 1.500 inch to 81.500 inch Lengths 3.000 inch to 6.000 inch L Filled PEEK Outside Diameter 1.500 inch to 8.000 inch Lengths 3.000 inch to 8.000 inch Outside Diameter 8.250 inch to 81.500 inch Lengths 3.000 inch to 6.000 inch L Extruded Tubes are available in the following Sizes in Victrex 450G in 118.00 inch lengths Extruded Tube Sizes OD X ID 30mm (1.18 inch) 15mm (0.59 inch) 40mm (1.57 inch) 20mm (0.78 inch) 50mm (1.96 inch) 30mm (1.18 inch) 56mm (2.20 inch) 40mm (1.57 inch) 60mm (2.36 inch) 45mm (1.77 inch) 70mm (2.75 inch) 50mm (1.96 inch) 80mm (3.14 inch) 50mm (1.96 inch) 90mm (3.54 inch) 70mm (2.75 inch) 100mm (3.93 inch) 70mm (2.75 inch) 115mm (4.52 inch) 80mm (3.14 inch) 140mm (5.51 inch) 100mm (3.93 inch) 160mm (6.29 inch) 120mm (4.72 inch) 170mm (6.69 inch) 140mm (5.51 inch) 200mm (7.87 inch) 150mm (5.90 inch) 210mm (8.26 inch)* 170mm (6.69 inch)* * 210mm X 170mm available in 2000mm (78.74 inch) maximum length Compression Molded Disks Diameter 3.250 inch to 26.000 inch Thickness .500 inch to 3.000 inch Important Note: Not all sizes are listed for every process and PEEK tube is also available in Spin Cast tubes and Injection Molded tubes and calendared sheet. Contact Us for information on all available sizes

Available Colors

Tan & Black

Safety Data Sheet

Download Safety Data Sheet

Typical Properties of PEEK Unfilled Virgin Natural

DETAIL
Description			Value
Material Type			Semi-Crystalline Thermoplastic
Chemical Name			PEEK Polyetheretherketone
Additives			Unfilled
Color			Tan
PHYSICAL
Property	Test	Unit of Measure	Value
Density	ASTM D792	g/cm³	1.31
	ASTM D792	lb/in³	0.047
Water Absorption, 24 hrs, Immersion	ASTM D570	% by wt.	0.1
Water Absorption, Saturation, Immersion	ASTM D570	% by wt.	0.5
MECHANICAL
Property	Test	Unit of Measure	Value
Tensile Strength	ASTM D638	psi	16,000
Tensile Modulus	ASTM D638	psi	500,000
Tensile Elongation at Break	ASTM D638	%	20
Flexural Strength	ASTM D790	psi	25,000
Flexural Modulus	ASTM D790	psi	600,000
Compressive Strength	ASTM D695	psi	20,000
Compressive Modulus	ASTM D695	psi	500,000
Hardness	ASTM D785	NA	Rockwell M100 / R126
IZOD Impact-Notched	ASTM D256	ft-lb/in	0.6
THERMAL
Property	Test	Unit of Measure	Value
Coefficient of Linear Thermal Expansion	ASTM D696	x 10-5 in./in./°F	2.6
Heat Deflection Temp	ASTM D648	°C at 264 psi	160
	ASTM D648	°F at 264 psi	320
Melting Point Temp	ASTM D3418	°C	340
	ASTM D3418	°F	644
	ASTM D3418	°F	644
Max Continuous Operating Temp		°C	249
		°F	480
Minimum Operating Temp		°C	-60
		°F	-76
Thermal Conductivity	ASTM C117	BTU-in/ft²-hr-°F	1.75
	ASTM C117	x 10^4 cal/cm-sec-°C	6.03
Flammability Rating	UL94	NA	V-0
ELECTRICAL
Property	Test	Unit of Measure	Value
Dielectric Strength	ASTM D149	V/mil	480
Dielectric Constant at 1 MHz	ASTM D150	NA	3.3
Dissipation Factor at 1 MHz	ASTM D150	NA	0.003
Surface Resistivity	ASTM D257	ohm/square	> 10^13
COMPLIANCE
Description			Value
FDA			Yes
USDA			Yes
NSF			No
3-A Dairy			Yes
Canadian Food Inspection Agency			No
USP Class VI			No
OTHER
Description			Value
UV Resistant			No
Relative Cost			$$$$$$
Machinability			5

Relative cost based on a scale of one dollar sign ($) as the lowest to ten dollar signs ($$$$$$$$$$) as the highest. Machinability based on a scale of 1 to 10, with 1 being the easiest and 10 being the most difficult to machine. NOTE: All information contained on www.boedeker.com, downloadable documents and printed literature is intended for technical reference only and considered to be accurate for reference purposes only. Boedeker Plastics, Inc. makes no guarantee and offers no warranty for fitness in use and strongly recommends the user validate any plastic, machined part, or product in a specific application for fitness in use.

PEEK is a trademark of Victrex plc.